magnum/src/Physics/Test/ObjectShapeTest.cpp

/*
    Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>

    This file is part of Magnum.

    Magnum is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License version 3
    only, as published by the Free Software Foundation.

    Magnum is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License version 3 for more details.
*/

#include "ObjectShapeTest.h"

#include "Physics/ObjectShapeGroup.h"
#include "Physics/ObjectShape.h"
#include "Physics/Point.h"
#include "SceneGraph/MatrixTransformation3D.h"
#include "SceneGraph/Scene.h"

CORRADE_TEST_MAIN(Magnum::Physics::Test::ObjectShapeTest)

namespace Magnum { namespace Physics { namespace Test {

typedef SceneGraph::Scene<SceneGraph::MatrixTransformation3D<>> Scene3D;
typedef SceneGraph::Object<SceneGraph::MatrixTransformation3D<>> Object3D;

ObjectShapeTest::ObjectShapeTest() {
    addTests(&ObjectShapeTest::clean);
}

void ObjectShapeTest::clean() {
    Scene3D scene;
    ObjectShapeGroup3D group;

    Object3D a(&scene);
    ObjectShape3D* shape = new ObjectShape3D(&a, &group);
    shape->setShape(new Physics::Point3D({1.0f, -2.0f, 3.0f}));
    a.scale(Vector3(-2.0f));

    Object3D b(&scene);
    new ObjectShape3D(&b, &group);

    /* Everything is dirty at the beginning */
    CORRADE_VERIFY(group.isDirty());
    CORRADE_VERIFY(a.isDirty());
    CORRADE_VERIFY(b.isDirty());

    /* Cleaning object will not clean anything other */
    a.setClean();
    CORRADE_VERIFY(group.isDirty());
    CORRADE_VERIFY(!a.isDirty());
    CORRADE_VERIFY(b.isDirty());

    /* Verify that the feature was actually cleaned */
    CORRADE_COMPARE(static_cast<const Physics::Point3D*>(shape->shape())->transformedPosition(),
        Vector3(-2.0f, 4.0f, -6.0f));

    /* Setting group clean will clean whole group */
    a.setDirty();
    group.setClean();
    CORRADE_VERIFY(!group.isDirty());
    CORRADE_VERIFY(!a.isDirty());
    CORRADE_VERIFY(!b.isDirty());

    /* Setting object dirty will set also the group, but not other objects */
    b.setDirty();
    CORRADE_VERIFY(group.isDirty());
    CORRADE_VERIFY(!a.isDirty());
    CORRADE_VERIFY(b.isDirty());
}

}}}